查询词典 damping constant

This character is same as the viscous dampers, can thus provides constant additional damping ratio independent of the movement amplitude and unchanging the vibration frequency of structures as well.

因而可以像粘滞阻尼器一样既可以提供随运动幅值变化的阻尼力，又不改变结构的振动频率。

A fifth-order uncertain non-affine nonlinear model is presented. The proposed model can describe the dynamic characteristics of both DC and AC system. The difference of damping factor and inertial time constant between generator units is considered in the model.

综合考虑AC/DC系统交、直流部分的动态特性及其实际电力系统中各发电机组的阻尼系数和惯性时间常数的不同性，提出了一类五阶非仿射非线性的控制模型。

If the damping ratio could be held constant while is increase, the poles would move radically outward and both setting time and rise time would decrease.

如果阻尼比不变，增加，极点将沿原点向外辐射移动，调节时间和上升时间都将减小。

The curves are compared which are obtained from three sets of damping oleo-hole with different constant section area under the same structure parameters and initial filling parameters.

经与3组不同直径常截面油孔在同样结构参数和初始填充参数下曲线的对比分析，证明采用变截面油孔缓冲器优化前起落架突伸性能的合理性。

Therefore, the hybrid method was adopted to determine the equivalent material properties. In this paper, the modal testing and numerical analysis were applied to obtain the Frequency Response Function and to calculate the equivalent spring constant and damping ratio of the suspension.

因此本文针对汽车悬吊部分，先以模态试验法与数值分析方法，将悬吊部分以线性弹簧及阻尼来模拟，并使用混合法，结合实验与数值之结果进行参数调整，在此是以FRF Base 来实施参数调整，确立悬吊系统的等效弹簧系数与阻尼系数。

In tested frequency range, the damping ratio keeps constant under different vibration frequency, which is verified again that the concrete is not the ideal sticky elastic material whose dissipation characteristic is correlative with frequency.

在实验的频率范围内，不同振动频率下的阻尼比近似保持常数，再次证实混凝土并非耗能特性与频率相关的粘弹性材料；砼构件的动刚度随振动频率变化不大，表明其力学参数无明显频变特征。

universe evolution ; particle evolution ; damping scale of free currents ; strong gravitation ; running coupling constant

即F电磁/F引力=D，D=1039。(1)他证明在电子单位制中，宇宙年龄tc也可用D表示，则宇宙引力常数~G′宇将随宇宙时间的

It was observed that the background of internal friction for some weak adhesives, e. g., phenyl salicylate, water glass mixture, etc. seems to be neither negligible nor constant value which is dependent on such factors as their temperature, thermal stress, time, dryness and strain amplitude, similar to that of dislocation damping.

对于水杨酸苯酯，水玻璃混合剂之类弱粘结剂所造成的背景内耗既不能忽略也不是常数，它与粘结层温度、热应力、时间、干燥程度和应变振幅等因素有关。

LI Ming,SHI Shouxia(No.25 Institute of the Second Research Academy,Beijing,100854,China)Abstract:It deduces that the equivalent damping ratio and torsion pendulum which is the main performance parameter of the torque feedback rate gyro is related to the gain and time constant of the head of meter.

速率陀螺仪，在姿态稳定系统中有广泛的应用，主要目的是敏感载体的角速度，通过执行机构，实现对载体的控制和稳定，在位标器上应用陀螺仪的目的是测量天线在惯性空间的转率，实现天线稳定的伺服控制。

It deduces that the equivalent damping ratio and torsion pendulum which is the main performance parameter of the torque feedback rate gyro is related to the gain and time constant of the head of meter.

摘 要：通过推导得出力矩反馈速率陀螺仪的主要性能参数等效阻尼比及等效转动惯量与陀螺表头增益及时间常数有关。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。